46 results about "Arabinoxylan" patented technology

The invention discloses a preparation method of a stable Pickering emulsion based on enzymic method modified whey protein microgel particle-araboxylan covalent composite particle, which comprises the following steps: preparing whey protein microgel particles by cross-linking glutamine transaminase, mixing the whey protein microgel particles with an araboxylan solution, and adding an enzyme method modified whey protein microgel particle-araboxylan covalent composite particle to prepare the Pickering emulsion. Adding horse radish peroxidase and a hydrogen peroxide solution to carry out enzymatic modification to obtain a water phase, mixing the oil phase and the water phase according to a volume ratio, carrying out IKA homogenization, and then carrying out ultrasonic treatment to obtain a Pickering emulsion with stable covalent composite particles; the preparation method is simple, harmful substances cannot be generated in the preparation process, and meanwhile, the preparation method is low in production cost, short in production period, rich in nutrition, green, free of pollution and high in economic utilization value; the obtained Pickering emulsion has high viscosity and excellent storage stability and environmental stability, an effective delivery carrier construction strategy is provided for construction of a fat-soluble and heat-sensitive bioactive micromolecule delivery system, and the application range of protein microgel particles in the fields of food, medicine and the like is widened.

The invention discloses xylanase XynA00838, a truncated body of the xylanase XynA00838 for removing CBM1 and application of the xylanase XynA00838, and belongs to the technical field of microorganisms. The invention provides the XynA00838, the amino acid sequence of the truncation of the XynA00838 and the nucleotide sequence of the coding gene of the XynA00838, and provides characterization information, the XynA00838 and the truncation of the XynA00838 have obvious xylanase activity, and the specific enzyme activity of the truncation of the XynA00838 is obviously higher than that of wild type xylanase XynA00838 when six different plant polysaccharides are degraded, so that the XynA00838 and the truncation of the XynA00838 can be used for degrading various plant polysaccharides. When the truncated body degrades low-viscosity wheat arabinoxylan as a substrate, the specific enzyme activity reaches 4.46 + / -0.12 U / mg and is remarkably higher than that of wild type xylanase XynA00838. The CBM1 in the xylanase XynA00838 disclosed by the invention has a relatively good maintaining effect on the temperature stability of an enzyme catalysis module of the xylanase XynA00838. The truncated body XynA00838 delta CBM1 of the xylanase XynA00838 without the CBM1 has high enzyme activity and pH stability, so that the truncated body XynA00838 delta CBM1 has relatively great development and application potential, and a basic theoretical basis is provided for preparing a commercial feed enzyme preparation.

The application discloses a kind of whipped cream cheese for decorating and preparation method thereof, the whipped cream cheese for decorating of the application includes the following weight parts of raw materials: fresh cream cheese 51-55 parts, egg white powder 1.5-7 parts, milk mineral salt 0.3-1 part, oligomeric isomalt 1-5 parts, fructooligosaccharide 1-5 parts, momordica grosvenori sweet 0.005-0.1 part, inulin 0.2-2 parts, arabinoxylan 0.005-1 part, peach gum 0.005-0.1% part, beta-1,3 glucan 0.1-2 parts, tripartite gum 0.1-5 parts, gellan gum 0.01-2 parts, physical starch 1-3 parts, locust bean gum 0.1-1 part.The preparation method of the application is used for preparing the aforementioned cheese, the application reduces 50-80% of the fat content of conventional cream, and contains certain prebiotic nutritional properties, while increasing the rich cheese aroma compared with conventional cream on the market.By specific formula, the decorating performance of cheese is realized, so that decorating product can maintain more than 1 hour without collapse.

The invention belongs to the technical field of food processing, and particularly relates to a preparation method and application of araboxylan-enhanced drawing protein. The arabinoxylan is adopted to enhance the vegetable proteins including the soybean protein concentrate, the chickpea protein and the vital gluten, and after the vegetable proteins are treated by a twin-screw extruder at the temperature of 140-180 DEG C, the texturization performance of the prepared texturized protein is remarkably improved, and meanwhile, the chewiness, the elasticity, the hardness and the like of the texturized protein are improved; the prepared wiredrawing protein is more suitable for replacing meat products such as vegetarian meat, plant-based sausages and hamburger cakes, the requirements of the market for high-texture and high-nutrition plant protein products are met, and innovative development of the plant-based food industry is powerfully promoted.

This document describes compositions containing arabinoxylan (e.g., arabinoxylan compositions), methods for making arabinoxylan compositions, and methods for using arabinoxylan compositions. For example, arabinoxylan compositions provided herein can be used as food ingredients, dietary supplements, and / or pharmaceutical compositions.

The application discloses a wheat arabinoxylan content related molecular marker and application thereof. The application belongs to the technical field of biology, and provides a wheat genome SNP molecular marker and a substance for detecting the molecular marker, which are applied to any one of the following: (1) identifying or assisting in identifying wheat water-soluble arabinoxylan content; (2) wheat breeding; (3) preparing a product for identifying or assisting in identifying wheat water-soluble arabinoxylan content; and (4) preparing a wheat breeding product. The substance for detecting polymorphism and genotype of the above-mentioned SNP can be combined with other substances (such as a substance for detecting single nucleotide polymorphism or genotype of other wheat water-soluble arabinoxylan content related molecular markers) to prepare a product for identifying a wheat variety with wheat water-soluble arabinoxylan content, to perform early and efficient auxiliary screening on WE-AX content, and to improve breeding efficiency.

The application discloses a kind of high stereoselectivity of alpha-xylopyranoside bond construction method, belongs to the technical field of sugar chemistry.The application uses full benzyl protected xylose trichloroacetimidate as glycosyl donor, by screening catalytic system, donor / acceptor ratio, additive type and molecular sieve type, optimize with trimethyl iodine silane as activating agent, triphenylphosphine oxide as additive high alpha-stereoselectivity glycosylation method.The method is mild in reaction condition, easy to operate, realizes the high stereoselectivity construction of 1,2-cis xylopyranoside bond without the action of participating group.Moreover, the method can be suitable for a variety of xylose donors with different protecting groups and a variety of glycosyl acceptors, to provide an effective means for efficient construction of a variety of alpha-xyloside and arabinoxylan modified by arabian mycin.

The present application belongs to the technical field of food processing, and particularly relates to a kind of composite plant protein meat pie and a preparation method thereof. The present application uses arabinoxylan and composite plant protein containing soybean protein concentrate, chickpea protein and gluten as raw materials to produce texturized protein by double screw extruder, and adds carrageenan as a binder, and then is compounded with soybean protein isolate, gluten, water, oil, flavoring agent and other ingredients to produce a kind of composite plant protein meat pie. The meat pie can have a chewing texture close to animal meat pie after being fried at a suitable temperature and time, and at the same time has the ideal flavor and color of simulating real meat pie, which is conducive to better meeting the needs of consumers for plant protein meat products.

The invention relates to the technical field of capsule preparations, in particular to a medicinal capsule structure, which comprises a mother capsule and a sub-capsule filled in the mother capsule, and two working modes are realized through filling switching of the mother capsule: under the mode A (time sequence release), the mother capsule is filled with a quick-release medicine and the sub-capsule filled with a slow-release medicine at the same time, and under the mode B (time sequence release), the sub-capsule is filled with a slow-release medicine; multi-component off-peak release is realized by utilizing the quick release characteristic of the mother capsule and the slow release characteristic of the ascomycetes; and in the mode B (split swallowing), the mother capsule is only filled with the ascoid to adapt to people with dysphagia, and the ascoid can be taken in a mixed manner after the mother capsule is split, and the function of a medicine coating is reserved. The ascus is composed of a medicine containing cavity, a targeting layer and an anchoring layer, the targeting layer can be made of an arabinoxylan-chitosan compound (colon targeting) or a methacrylic acid copolymer (esophageal targeting), the anchoring layer is made of a hyaluronic acid-chitosan compound, and it is ensured that the ascus is anchored at the focus position. The preparation has multiple functions of sequential release, targeted drug delivery, adaptation to people with dysphagia and the like.

The present disclosure related generally to a method of providing an arabinoxylan product from a corn material such as a corn fiber. The method includes de-starching the corn material to provide a de-starched corn material; maintaining an aqueous mixture of the destarched corn material at an extraction pH in the range of 5-14 for a time and at a temperature effective to extract arabinoxylan from the de-starched corn material into an aqueous phase of the aqueous mixture and to provide a corn residue; separating the aqueous phase containing the extracted arabinoxylan from the corn residue; and providing the arabinoxylan product from the aqueous phase.

The application discloses a SNP molecular marker for identifying the content of wheat arabinoxylan and application thereof. The application belongs to the technical field of biology and specifically comprises detecting the polymorphism or genotype (allele) of an SNP site in a wheat genome to be measured, and identifying or assisting in identifying the content of wheat arabinoxylan according to the genotype, wherein the SNP site is a site on a 4D chromosome of wheat, the nucleotide type of which is A or G, and the 36th nucleotide in sequence 1 in a sequence table. The application can be used for predicting the content of wheat arabinoxylan and for wheat breeding. The substance for detecting the polymorphism and genotype of the above SNP site can be combined with other substances (such as a substance for detecting a single nucleotide polymorphism or genotype of another molecular marker related to the content of wheat arabinoxylan) to prepare a product for identifying wheat arabinoxylan with high content.

A supramolecular hydrogel film for reversible adhesion of frozen food, a production method, and an application are provided. The production method includes mixing the arabinoxylan solution with 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride and N-hydroxysuccinimide, and performing an ice bath reaction to obtain the carboxylated arabinoxylan solution; adding dopamine hydrochloride, performing a stirring, dialysis and freeze-drying to obtain the arabinoxylan-dopamine graft; adding acrylic acid and metal ions to the ethanol aqueous solution, mixing with the arabinoxylan-dopamine graft, and performing a stirring, and then mixing with N,N′-methylenebisacrylamide and ammonium persulfate to obtain the supramolecular hydrogel film. The supramolecular hydrogel film has the characteristics of light-controlled reversible adhesion, high mechanical strength, high gas barrier properties and degradability, and is suitable for various frozen foods.

The application belongs to the technical field of food processing, and particularly relates to a processing method of wheat B starch-based instant vegetarian sausage. The processing method comprises the following raw materials in parts by weight: 80-90 parts of homogenate, 6-8 parts of glue solution, 8-10 parts of salt, 8-10 parts of coconut oil, 4-6 parts of monosodium glutamate, 4-6 parts of red yeast powder, and 2-4 parts of tripolyphosphate; the preparation method of the instant vegetarian sausage comprises the following steps: preparing homogenate, preparing glue solution, modulating, sausage filling, and steaming and cooking. The application adds wheat B starch slurry and compounding specific proportions of composite colloids, utilizes the synergistic water holding effect of arabinoxylan and colloids, and gives the vegetarian sausage excellent elastic and tough mouthfeel and juiciness. The application converts low-value wheat B starch slurry into raw materials of instant vegetarian sausage, completely retains the arabinoxylan dietary fiber therein, makes the product have both nutritional function and industrial value, and significantly improves the added value of by-products.

The invention provides a method for enhancing oxidation resistance of alkali extracted arabinoxylan and feruloyl xylan, and belongs to the technical field of biochemical engineering and feed science. The method comprises the following steps: providing plant source arabinoxylan which is extracted by an alkaline method and has reduced ferulic acid content as a reaction substrate; in a free radical initiation system containing an oxidizing agent and a reducing agent, the arabinoxylan and free ferulic acid are subjected to a free radical mediated grafting reaction, so that ferulic acid is covalently connected to the arabinoxylan, and the feruloyl xylan is obtained. The invention also provides the feruloyl xylan prepared by the method and application of the feruloyl xylan in preparation of functional feed additives. Ferulic acid is re-grafted to a xylan skeleton with functions damaged due to alkali extraction, the antioxidant activity of the xylan skeleton can be effectively repaired and remarkably enhanced, the reaction condition is mild, the raw material adaptability is wide, and the prepared product can be used as an efficient antioxidant to be applied to the field of feed additives.

This invention discloses a method for the targeted biotransformation of cereal arabinoxylan based on in vitro fecal microbial fermentation and its extraction. The method includes: pulverizing and sieving cereal raw materials; extracting arabinoxylan from the cereal; using the extracted cereal arabinoxylan as a fermentation substrate and inoculating it into a fecal microbial fermentation system for anaerobic fermentation, utilizing intestinal microorganisms to target and degrade the arabinoxylan; terminating the anaerobic fermentation reaction; separating the fermentation broth into solid and liquid phases to obtain a supernatant containing the transformed product; purifying and drying the supernatant to obtain the final product. The product obtained by this invention is not only a highly active prebiotic, but it or the fermentation broth can also serve as a high-quality synbiotic (combined with probiotics) or postbiotic raw material, greatly expanding its application potential in functional foods, special medical foods, and health products.

The present application relates to the technical field of feed additive, and particularly discloses a slow-release feed additive composition and a preparation method thereof.The slow-release feed additive composition comprises the following raw materials: modified yeast cell wall, retrograded starch, functionalized arabinoxylan and composite trace elements; the preparation method comprises the following steps: preparing a pre-dispersion of the composite trace elements, mixing the pre-dispersion with the modified yeast cell wall, obtaining a trace element loading solution after maturation, adding the retrograded starch to obtain a base material, and finally mixing the base material with the functionalized arabinoxylan, and obtaining the slow-release feed additive composition through maturation, granulation and drying.The present application constructs a composite slow-release system by using the modified yeast cell wall, the retrograded starch and the functionalized arabinoxylan, so that the slow-release feed additive composition has good trace element loading capacity and slow-release performance, and the utilization rate of trace elements is improved.

This invention relates to a method for improving the intestinal tolerance of wheat bran dietary fiber based on synergistic modification by microorganisms and enzymes. The method includes ultra-fine grinding and high-pressure moist heat activation of wheat bran; multi-enzyme synergistic microbial stepwise treatment, first using high-temperature amylase and neutral protease to remove interfering components such as starch and protein, then using laccase to degrade lignin, resulting in a looser structure; subsequently, phytase efficiently degrades phytic acid, Aspergillus nidulan degrades the side chains of arabinogalactan, and snail enzyme and ferulic acid esterase work synergistically to convert insoluble arabinoxylan into soluble dietary fiber and release phenolic antioxidants. This method increases the soluble dietary fiber content of wheat bran by 2 times, reduces phytic acid to 10 mg / g, increases free phenolic acid content by 40%, achieves a DPPH free radical scavenging rate of 60%, significantly enhances antioxidant activity, and significantly reduces IgG levels in mouse models compared to those consuming unmodified wheat bran, thus improving intestinal tolerance and probiotic function; the product can be used as a high-quality functional food ingredient.

The present application provides a kind of arabinoxylan with beneficial activity prepared with corn skin as raw material.The arabinoxylan is composed of xylose, arabinose, glucose, galactose, rhamnose, mannose, glucuronic acid, galacturonic acid, fucose, ribose according to the molar ratio of 104.6:82.6:21.0:16.8:8.9:5.1:4.3:1.6:1.3:1, and the molecular weight is 2.51-10 kDa.The present application uses xylanase Scxyn22 to prepare arabinoxylan with specific molecular weight distribution and monosaccharide composition, the molar ratio of arabinose / xylose reaches 0.79, has unique apparent viscosity and antioxidant activity, can promote the proliferation of lactobacillus fermentum and lactobacillus casei, and can be applied in food field as food stabilizer, food thickening agent and new prebiotic.

To provide a beer-flavored beverage that increases the total amount of arabinoxylan while suppressing astringency and off-flavors. [Solution] A beer-flavored beverage having a total arabinoxylan content of 70 mg / 100 mL or more and a free amino nitrogen (FAN) content of less than 55 mg / L.

The present invention relates to a process that, by using as raw materials by-products from the agribusiness industry, such as waste biomass from the processing of food flours, enables chemical intermediates and protein hydrolysates yielding amino acids with biostimulant action for plants to be produced from the polysaccharides and proteins present in such biomass. The process comprises sugar release by enzymes, fermentation, ethanol separation and protein hydrolysis by enzymes including solid-liquid separations at different points of the procedure and the optional release of arabinoxylans.

Provided are a composition containing catechins, which contains catechins and arabinoxylan; a food or drink containing catechins, which contains catechins and arabinoxylan; a method for suppressing the bitter taste of catechins, which comprises coexisting catechins and arabinoxylan; a bitter taste suppressor for catechins, which contains arabinoxylan as an effective ingredient; and a method for producing a food or drink containing catechins, the bitter taste of which is suppressed, which comprises incorporating arabinoxylan in the production of a food or drink containing catechins.

The invention discloses high-activity hypoglycemic strigose hydrangea juvenile leaf extract microcapsule powder and a preparation method thereof.The microcapsule powder is prepared through the method comprising the following steps that firstly, a high-voltage pulsed electric field (1-3 kV / cm) is adopted to assist alkalescent electrolyzed water to extract strigose hydrangea juvenile leaf, and a strigose hydrangea juvenile leaf extract (STE) is obtained; and mixing the extract with a wall material composed of at least two of maltodextrin, Arabic gum, inulin and arabinoxylan according to a mass ratio of 1: 0.25-1: 1.25, homogenizing, and spray-drying at an air inlet temperature of 140 + / -5 DEG C and an air outlet temperature of 80 + / -5 DEG C. The obtained microcapsule powder contains various high-content active ingredients such as 0.3 wt%-1.0 wt% of trilobatin and 0.3 wt%-1.0 wt% of phlorizin, and the embedding rate is high (for example, the embedding rate of total flavonoids is 67.53%-88.84%). According to the product disclosed by the invention, the bitter taste of the strigose hydrangea juvenile leaf is remarkably improved, the active ingredients can be effectively protected, the high inhibition activity on alpha-glucosidase and alpha-amylase can be maintained through simulated gastrointestinal tract digestion, the blood sugar reducing function is outstanding, and the product is suitable for preparing food, health care products or medicines with the blood sugar reducing function.

This invention discloses a high-yield γ-aminobutyric acid (GABA)-relieving bacterium for colitis and its application, belonging to the field of microbial technology. The *Bacterium xylanoplastinus* of this invention (… Bacteroides xylanisolvens NSP018 can alleviate weight loss, reduce the disease activity index, increase colon length, and improve colonic tissue damage in mice with ulcerative colitis. The oat arabinoxylan described in this invention has very broad application prospects for preparing pharmaceutical compositions and fermented foods that alleviate ulcerative colitis.

The invention discloses a composite dietary fiber for improving the production performance of sows as well as a preparation method and application of the composite dietary fiber, and belongs to the technical field of feeds. Comprising the following raw materials in parts by weight: 25-35 parts of jerusalem artichoke fibers, 10-15 parts of konjac glucomannan, 20-28 parts of alfalfa fibers, 15-20 parts of wheat araboxylan, 1-3 parts of a compound enzyme preparation, 2-3.2 parts of phosphomonoester starch and 3-4.8 parts of maltodextrin. According to the composite dietary fiber for improving the production performance of the sows as well as the preparation method and the application of the composite dietary fiber, dual optimization of physical environment and micro-ecology of intestinal tracts of the sows, stomach protection of functional components and targeted slow release of the intestinal tracts are realized, so that pregnancy constipation is effectively relieved, body fat deposition is controlled, and the production performance of the sows is improved. The feed intake and the lactation performance in the lactation period are improved, and the production efficiency of the sows is comprehensively improved.

The invention discloses a process for preparing corn bran arabinoxylan through ammonia fiber expansion and a compound enzyme method, and relates to the technical field of preparation of arabinoxylan, and the corn bran arabinoxylan comprises the following components in parts by weight: 100 parts of dried corn bran, 200-300 parts of ammonia water, 1-3 parts of a compound enzyme preparation and 500-800 parts of a citric acid-sodium citrate buffer solution. According to the method, ammonia fiber expansion pretreatment is adopted to replace traditional steam explosion and strong alkali extraction, so that a lignin-cellulose-hemicellulose cross-linked structure in the corn bran can be deeply destroyed, lignin is fully dissolved, favorable conditions are created for subsequent enzymolysis, meanwhile, high-concentration wastewater is prevented from being generated, the environmental burden is reduced, and the method is suitable for industrial production. Degradation of arabinoxylan is not caused, and the structural integrity of polysaccharide is guaranteed; through the mutual synergistic effect of xylanase, arabinofuranosidase and cellulase in the compound enzyme preparation, compared with traditional double-enzyme combination, arabinose side chains can be hydrolyzed in a targeted mode, and more comprehensive substrate degradation is achieved.

The invention relates to a method for enhancing anti-freezing activity of wheat bran araboxylan by inducing directional assembly of wheat bran araboxylan through a magnetic field, and belongs to the technical field of food processing. The preparation method is characterized in that wheat bran is taken as a raw material, AX is obtained through urea alkali extraction, alcohol precipitation and column chromatography, AX is subjected to carboxymethylation modification and then subjected to electrostatic compounding with iron ions, an external magnetic field is applied to regulate and control AX directional assembly, and AX with high anti-freezing activity is prepared after freeze drying, and the ice recrystallization inhibition effect of AX reaches 60%-86%. The invention has the characteristics of green and safe preparation method and high anti-freezing activity of the product, and is applied to frozen food or biological sample preservation as a cryoprotectant.

The invention provides a preparation method and application of miscanthus arabinoxylan, and particularly relates to application of miscanthus arabinoxylan in preparation of antioxidant, hypoglycemic or lipid-lowering products and application of miscanthus arabinoxylan in preparation of intestinal flora homeostasis regulating products. The Chinese silvergrass-sourced arabinoxylan has the functions of reducing blood sugar, adsorbing bile acid and resisting oxidation in vitro, and can protect the growth of bifidobacterium longum by adsorbing bile acid, thereby playing a probiotic role.

The invention discloses highland barley germinated rice with high araboxylan content and a preparation method thereof, and belongs to the technical field of functional cereal food processing. The germinated highland barley rice is prepared from a preferable highland barley variety through controllable germination and light processing. According to the method disclosed by the invention, highland barley varieties, namely Ginjiang No.3 and Gannan 0917, of which the content of arabinoxylan is obviously increased after germination are preferably selected, and 20 DEG C is determined as the optimal germination temperature. Under the condition of germination, the content of arabinoxylan in grains can be increased by 47.9%-346.3%, and the highest content reaches 8.78% (dry basis). The germinated grains are subjected to light buffing treatment, so that the prepared germinated rice product not only retains nutritional ingredients such as arabinoxylan, polyphenol, flavone and gamma-aminobutyric acid endowed by germination to the greatest extent, but also has a good eating taste. The product can effectively stabilize postprandial blood sugar and improve gastrointestinal tract tolerance by utilizing the characteristics that the araboxylan is degraded at the rear end of the intestinal tract, does not produce gas and delays digestion.

The present disclosure belongs to the technical field of functional ingredient extraction, and provides preparation and application of a distiller's grains arabinoxylan-sorghum prolamin complex. The preparation method comprises the following steps: drying and crushing distiller's grains, removing oil and starch, obtaining a suspension in an alkaline environment through infrared irradiation, stirring, shearing and centrifuging the suspension to obtain a supernatant, adjusting the supernatant to be acidic, centrifuging the supernatant again, alcohol precipitation, drying to obtain an extract, and coupling reaction at a proper temperature and humidity. The present disclosure also discloses the complex prepared by the above method, an emulsifier comprising the complex, and application of the emulsifier in the fields of food and cosmetics. The present disclosure adds infrared-assisted extraction, enhances dissolution and extraction of polysaccharides and sorghum prolamin, shortens extraction time and improves extraction rate; and further enhances emulsification through a dry heating method. The prepared complex has good water solubility, fast dissolution speed and strong emulsifying capacity, and can be used as a natural emulsifier in various scenarios.

The invention belongs to the technical field of functional component extraction, and provides preparation and application of a vinasse araboxylan-sorghum prolamin compound. The preparation method comprises the following steps: drying and crushing the vinasse, and then carrying out degreasing and starch removal treatment; performing infrared irradiation in an alkaline environment to obtain turbid liquid; stirring, shearing and centrifuging the turbid liquid to obtain supernate, adjusting the supernate to be acidic, centrifuging to obtain supernate, performing alcohol precipitation, and drying to obtain an extract; and carrying out coupling reaction on the extract at proper temperature and humidity. The invention also discloses the compound prepared by the method, an emulsifier comprising the compound, and application of the emulsifier in the fields of food and cosmetics. Infrared-assisted extraction is added, so that dissolution and extraction of polysaccharide and sorghum prolamin are enhanced, the extraction time is shortened, and the extraction rate is increased; and the emulsifying property is further enhanced through a dry heating method. The prepared compound is good in water solubility, high in dissolving speed and high in emulsifying capacity, and can be used as a natural emulsifier in various scenes.